diff --git a/http-server/Constant.php b/http-server/Constant.php
index aa796163..a65c1bc9 100644
--- a/http-server/Constant.php
+++ b/http-server/Constant.php
@@ -44,4 +44,87 @@ class Constant
 	const STATUS_404_MESSAGE = '<h2>HTTP 404 Not Found</h2><hr><i>Powered by Swoole</i>';
 	const STATUS_405_MESSAGE = '<h2>HTTP 405 Method allow</h2><hr><i>Powered by Swoole</i>';
 
+
+    const OPTION_REACTOR_NUM = 'reactor_num';
+    const OPTION_WORKER_NUM = 'worker_num';
+    const OPTION_MAX_REQUEST = 'max_request';
+    const OPTION_MAX_CONN = 'max_connection';
+    const OPTION_TASK_WORKER_NUM = 'task_worker_num';
+    const OPTION_TASK_IPC_MODE = 'task_ipc_mode';
+    const OPTION_TASK_MAX_REQUEST = 'task_max_request';
+    const OPTION_TASK_TMPDIR = 'task_tmpdir';
+    const OPTION_TASK_ENABLE_COROUTINE = 'task_enable_coroutine';
+    const OPTION_TASK_USE_OBJECT = 'task_use_object';
+    const OPTION_DISPATCH_MODE = 'dispatch_mode';
+    const OPTION_DISPATCH_FUNC = 'dispatch_func';
+    const OPTION_MESSAGE_QUEUE_KEY = 'message_queue_key';
+    const OPTION_DAEMONIZE = 'daemonize';
+    const OPTION_BACKLOG = 'backlog';
+    const OPTION_LOG_FILE = 'log_file';
+    const OPTION_LOG_LEVEL = 'log_level';
+    const OPTION_LOG_DATE_WITH_MICROSECONDS = 'log_date_with_microseconds';
+    const OPTION_LOG_ROTATION = 'log_rotation';
+    const OPTION_LOG_DATE_FORMAT = 'log_date_format';
+    const OPTION_OPEN_TCP_KEEPALIVE = 'open_tcp_keepalive';
+    const OPTION_HEARTBEAT_CHECK_INTERVAL = 'heartbeat_check_interval';
+    const OPTION_HEARTBEAT_IDLE_TIME = 'heartbeat_idle_time';
+    const OPTION_OPEN_EOF_CHECK = 'open_eof_check';
+    const OPTION_OPEN_EOF_SPLIT = 'open_eof_split';
+    const OPTION_PACKAGE_EOF = 'package_eof';
+    const OPTION_OPEN_LENGTH_CHECK = 'open_length_check';
+    const OPTION_PACKAGE_LENGTH_TYPE = 'package_length_type';
+    const OPTION_PACKAGE_LENGTH_FUNC = 'package_length_func';
+    const OPTION_PACKAGE_MAX_LENGTH = 'package_max_length';
+    const OPTION_OPEN_HTTP_PROTOCOL = 'open_http_protocol';
+    const OPTION_OPEN_MQTT_PROTOCOL = 'open_mqtt_protocol';
+    const OPTION_OPEN_REDIS_PROTOCOL = 'open_redis_protocol';
+    const OPTION_OPEN_WEBSOCKET_PROTOCOL = 'open_websocket_protocol';
+    const OPTION_OPEN_WEBSOCKET_CLOSE_FRAME = 'open_websocket_close_frame';
+    const OPTION_OPEN_TCP_NODELAY = 'open_tcp_nodelay';
+    const OPTION_OPEN_CPU_AFFINITY = 'open_cpu_affinity';
+    const OPTION_CPU_AFFINITY_IGNORE = 'cpu_affinity_ignore';
+    const OPTION_TCP_DEFER_ACCEPT = 'tcp_defer_accept';
+    const OPTION_SSL_CERT_FILE = 'ssl_cert_file/ssl_key_file';/SSL_KEY_FILE
+    const OPTION_SSL_METHOD = 'ssl_method';
+    const OPTION_SSL_PROTOCOLS = 'ssl_protocols';
+    const OPTION_SSL_SNI_CERTS = 'ssl_sni_certs';
+    const OPTION_SSL_CIPHERS = 'ssl_ciphers';
+    const OPTION_SSL_VERIFY_PEER = 'ssl_verify_peer';
+    const OPTION_SSL_ALLOW_SELF_SIGNED = 'ssl_allow_self_signed';
+    const OPTION_SSL_CLIENT_CERT_FILE = 'ssl_client_cert_file';
+    const OPTION_SSL_COMPRESS = 'ssl_compress';
+    const OPTION_SSL_VERIFY_DEPTH = 'ssl_verify_depth';
+    const OPTION_SSL_PREFER_SERVER_CIPHERS = 'ssl_prefer_server_ciphers';
+    const OPTION_SSL_DHPARAM = 'ssl_dhparam';
+    const OPTION_SSL_ECDH_CURVE = 'ssl_ecdh_curve';
+    const OPTION_USER = 'user';
+    const OPTION_GROUP = 'group';
+    const OPTION_CHROOT = 'chroot';
+    const OPTION_PID_FILE = 'pid_file';
+    const OPTION_BUFFER_INPUT_SIZE = 'buffer_input_size';
+    const OPTION_BUFFER_OUTPUT_SIZE = 'buffer_output_size';
+    const OPTION_SOCKET_BUFFER_SIZE = 'socket_buffer_size';
+    const OPTION_ENABLE_UNSAFE_EVENT = 'enable_unsafe_event';
+    const OPTION_DISCARD_TIMEOUT_REQUEST = 'discard_timeout_request';
+    const OPTION_ENABLE_REUSE_PORT = 'enable_reuse_port';
+    const OPTION_ENABLE_DELAY_RECEIVE = 'enable_delay_receive';
+    const OPTION_RELOAD_ASYNC = 'reload_async';
+    const OPTION_MAX_WAIT_TIME = 'max_wait_time';
+    const OPTION_TCP_FASTOPEN = 'tcp_fastopen';
+    const OPTION_REQUEST_SLOWLOG_FILE = 'request_slowlog_file';
+    const OPTION_ENABLE_COROUTINE = 'enable_coroutine';
+    const OPTION_MAX_COROUTINE = 'max_coroutine/max_coro_num';/MAX_CORO_NUM
+    const OPTION_SEND_YIELD = 'send_yield';
+    const OPTION_SEND_TIMEOUT = 'send_timeout';
+    const OPTION_HOOK_FLAGS = 'hook_flags';
+    const OPTION_BUFFER_HIGH_WATERMARK = 'buffer_high_watermark';
+    const OPTION_BUFFER_LOW_WATERMARK = 'buffer_low_watermark';
+    const OPTION_TCP_USER_TIMEOUT = 'tcp_user_timeout';
+    const OPTION_STATS_FILE = 'stats_file';
+    const OPTION_EVENT_OBJECT = 'event_object';
+    const OPTION_START_SESSION_ID = 'start_session_id';
+    const OPTION_SINGLE_THREAD = 'single_thread';
+    const OPTION_MAX_QUEUED_BYTES = 'max_queued_bytes';
+
+
 }